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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC

… …
8use Storable; 8use Storable;
9use Opcode; 9use Opcode;
10use Safe; 10use Safe;
11use Safe::Hole; 11use Safe::Hole;
12 12
13use Coro 3.3 (); 13use Coro 3.5 ();
14use Coro::Event; 14use Coro::Event;
15use Coro::Timer; 15use Coro::Timer;
16use Coro::Signal; 16use Coro::Signal;
17use Coro::Semaphore; 17use Coro::Semaphore;
18use Coro::AIO; 18use Coro::AIO;
… …
44our @EVENT; 44our @EVENT;
45our $LIBDIR = datadir . "/ext"; 45our $LIBDIR = datadir . "/ext";
46 46
47our $TICK = MAX_TIME * 1e-6; 47our $TICK = MAX_TIME * 1e-6;
48our $TICK_WATCHER; 48our $TICK_WATCHER;
49our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER;
49our $NEXT_TICK; 51our $NEXT_TICK;
50our $NOW; 52our $NOW;
51 53
52our %CFG; 54our %CFG;
53 55
… …
80mkdir cf::localdir . "/" . cf::tmpdir; 82mkdir cf::localdir . "/" . cf::tmpdir;
81mkdir cf::localdir . "/" . cf::uniquedir; 83mkdir cf::localdir . "/" . cf::uniquedir;
82mkdir $RANDOM_MAPS; 84mkdir $RANDOM_MAPS;
83 85
84our $EMERGENCY_POSITION; 86our $EMERGENCY_POSITION;
87
88sub cf::map::normalise;
85 89
86############################################################################# 90#############################################################################
87 91
88=head2 GLOBAL VARIABLES 92=head2 GLOBAL VARIABLES
89 93
… …
257} 261}
258 262
259sub freeze_mainloop { 263sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 264 return unless $TICK_WATCHER->is_active;
261 265
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 266 my $guard = Coro::guard {
267 $TICK_WATCHER->start;
268 $WRITE_RUNTIME_WATCHER->start;
269 };
270 $WRITE_RUNTIME_WATCHER->stop;
263 $TICK_WATCHER->stop; 271 $TICK_WATCHER->stop;
264 $guard 272 $guard
265} 273}
266 274
267=item cf::async { BLOCK } 275=item cf::async { BLOCK }
… …
338 346
339 $coro 347 $coro
340} 348}
341 349
342sub write_runtime { 350sub write_runtime {
343 return unless $TICK_WATCHER->is_active;
344
345 my $runtime = cf::localdir . "/runtime"; 351 my $runtime = cf::localdir . "/runtime";
346 352
347 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
348 or return; 354 or return;
349 355
356 my $value = $cf::RUNTIME + 90 + 10;
350 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 357 # 10 is the runtime save interval, for a monotonic clock
358 # 60 allows for the watchdog to kill the server.
359
351 (aio_write $fh, 0, (length $value), $value, 0) <= 0 360 (aio_write $fh, 0, (length $value), $value, 0) <= 0
352 and return; 361 and return;
353 362
354 aio_fsync $fh 363 aio_fsync $fh
355 and return; 364 and return;
… …
499our @CB_TYPE = (); # registry for type (cf-object class) based events 508our @CB_TYPE = (); # registry for type (cf-object class) based events
500our @CB_MAP = (); 509our @CB_MAP = ();
501 510
502my %attachment; 511my %attachment;
503 512
513sub cf::attachable::thawer_merge {
514 # simply override everything except _meta
515 local $_[0]{_meta};
516 %{$_[0]} = %{$_[1]};
517}
518
504sub _attach_cb($$$$) { 519sub _attach_cb($$$$) {
505 my ($registry, $event, $prio, $cb) = @_; 520 my ($registry, $event, $prio, $cb) = @_;
506 521
507 use sort 'stable'; 522 use sort 'stable';
508 523
… …
679# object support 694# object support
680 695
681sub reattach { 696sub reattach {
682 # basically do the same as instantiate, without calling instantiate 697 # basically do the same as instantiate, without calling instantiate
683 my ($obj) = @_; 698 my ($obj) = @_;
699
700 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684 701
685 my $registry = $obj->registry; 702 my $registry = $obj->registry;
686 703
687 @$registry = (); 704 @$registry = ();
688 705
… …
900 } or warn "$ext not loaded: $@"; 917 } or warn "$ext not loaded: $@";
901 } 918 }
902} 919}
903 920
904############################################################################# 921#############################################################################
905# load/save/clean perl data associated with a map
906
907*cf::mapsupport::on_clean = sub {
908 my ($map) = @_;
909
910 my $path = $map->tmpname;
911 defined $path or return;
912
913 unlink "$path.pst";
914};
915
916cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918#############################################################################
919 922
920=head2 CORE EXTENSIONS 923=head2 CORE EXTENSIONS
921 924
922Functions and methods that extend core crossfire objects. 925Functions and methods that extend core crossfire objects.
923 926
… …
959 962
960sub exists($) { 963sub exists($) {
961 my ($login) = @_; 964 my ($login) = @_;
962 965
963 $cf::PLAYER{$login} 966 $cf::PLAYER{$login}
964 or cf::sync_job { !aio_stat $login } 967 or cf::sync_job { !aio_stat path $login }
965} 968}
966 969
967sub find($) { 970sub find($) {
968 return $cf::PLAYER{$_[0]} || do { 971 return $cf::PLAYER{$_[0]} || do {
969 my $login = $_[0]; 972 my $login = $_[0];
… …
1077 for (@$files) { 1080 for (@$files) {
1078 utf8::decode $_; 1081 utf8::decode $_;
1079 next if /\.(?:pl|pst)$/; 1082 next if /\.(?:pl|pst)$/;
1080 next unless /^$PATH_SEP/o; 1083 next unless /^$PATH_SEP/o;
1081 1084
1082 push @paths, "~" . $pl->ob->name . "/" . $_; 1085 push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;
1083 } 1086 }
1084 1087
1085 \@paths 1088 \@paths
1086} 1089}
1087 1090
… …
1114 1117
1115use Fcntl; 1118use Fcntl;
1116use Coro::AIO; 1119use Coro::AIO;
1117 1120
1118use overload 1121use overload
1119 '""' => \&as_string; 1122 '""' => \&as_string,
1123 fallback => 1;
1120 1124
1121our $MAX_RESET = 3600; 1125our $MAX_RESET = 3600;
1122our $DEFAULT_RESET = 3000; 1126our $DEFAULT_RESET = 3000;
1123 1127
1124sub generate_random_map { 1128sub generate_random_map {
1125 my ($self, $rmp) = @_; 1129 my ($self, $rmp) = @_;
1126
1127 # mit "rum" bekleckern, nicht 1130 # mit "rum" bekleckern, nicht
1128 $self->_create_random_map ( 1131 $self->_create_random_map (
1129 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1132 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1133 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1134 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1138 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1141 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139 (cf::region::find $rmp->{region}), $rmp->{custom} 1142 (cf::region::find $rmp->{region}), $rmp->{custom}
1140 ) 1143 )
1141} 1144}
1142 1145
1146=item cf::map->register ($regex, $prio)
1147
1148Register a handler for the map path matching the given regex at the
1149givne priority (higher is better, built-in handlers have priority 0, the
1150default).
1151
1152=cut
1153
1143sub register { 1154sub register {
1144 my (undef, $regex) = @_; 1155 my (undef, $regex, $prio) = @_;
1145 my $pkg = caller; 1156 my $pkg = caller;
1146 1157
1147 no strict; 1158 no strict;
1148 push @{"$pkg\::ISA"}, __PACKAGE__; 1159 push @{"$pkg\::ISA"}, __PACKAGE__;
1149 1160
1150 $EXT_MAP{$pkg} = qr<$regex>; 1161 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151} 1162}
1152 1163
1153# also paths starting with '/' 1164# also paths starting with '/'
1154$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1165$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1166
1167sub thawer_merge {
1168 my ($self, $merge) = @_;
1169
1170 # we have to keep some variables in memory intact
1171 local $self->{path};
1172 local $self->{load_path};
1173 local $self->{deny_save};
1174 local $self->{deny_reset};
1175
1176 $self->SUPER::thawer_merge ($merge);
1177}
1155 1178
1156sub normalise { 1179sub normalise {
1157 my ($path, $base) = @_; 1180 my ($path, $base) = @_;
1181
1182 $path = "$path"; # make sure its a string
1183
1184 $path =~ s/\.map$//;
1158 1185
1159 # map plan: 1186 # map plan:
1160 # 1187 #
1161 # /! non-realised random map exit (special hack!) 1188 # /! non-realised random map exit (special hack!)
1162 # {... are special paths that are not being touched 1189 # {... are special paths that are not being touched
… …
1190 1217
1191 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1218 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192 1219
1193 $path = normalise $path, $base; 1220 $path = normalise $path, $base;
1194 1221
1195 for my $pkg (keys %EXT_MAP) { 1222 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196 if ($path =~ $EXT_MAP{$pkg}) { 1223 if ($path =~ $EXT_MAP{$pkg}[1]) {
1197 my $self = bless cf::map::new, $pkg; 1224 my $self = bless cf::map::new, $pkg;
1198 $self->{path} = $path; $self->path ($path); 1225 $self->{path} = $path; $self->path ($path);
1199 $self->init; # pass $1 etc. 1226 $self->init; # pass $1 etc.
1200 return $self; 1227 return $self;
1201 } 1228 }
1202 } 1229 }
1203 1230
1204 Carp::carp "unable to resolve path '$path'."; 1231 Carp::carp "unable to resolve path '$path' (base '$base').";
1205 () 1232 ()
1206} 1233}
1207 1234
1208sub init { 1235sub init {
1209 my ($self) = @_; 1236 my ($self) = @_;
… …
1220# the displayed name, this is a one way mapping 1247# the displayed name, this is a one way mapping
1221sub visible_name { 1248sub visible_name {
1222 &as_string 1249 &as_string
1223} 1250}
1224 1251
1225# escape the /'s in the path
1226sub _escaped_path {
1227 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229 $path
1230}
1231
1232# the original (read-only) location 1252# the original (read-only) location
1233sub load_path { 1253sub load_path {
1234 my ($self) = @_; 1254 my ($self) = @_;
1235 1255
1236 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1256 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
… …
1238 1258
1239# the temporary/swap location 1259# the temporary/swap location
1240sub save_path { 1260sub save_path {
1241 my ($self) = @_; 1261 my ($self) = @_;
1242 1262
1263 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1243 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path 1264 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
1244} 1265}
1245 1266
1246# the unique path, undef == no special unique path 1267# the unique path, undef == no special unique path
1247sub uniq_path { 1268sub uniq_path {
1248 my ($self) = @_; 1269 my ($self) = @_;
1249 1270
1271 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1250 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path 1272 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1251} 1273}
1252 1274
1253# and all this just because we cannot iterate over 1275# and all this just because we cannot iterate over
1254# all maps in C++... 1276# all maps in C++...
1255sub change_all_map_light { 1277sub change_all_map_light {
… …
1261 1283
1262sub unlink_save { 1284sub unlink_save {
1263 my ($self) = @_; 1285 my ($self) = @_;
1264 1286
1265 utf8::encode (my $save = $self->save_path); 1287 utf8::encode (my $save = $self->save_path);
1266 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save; 1288 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst"; 1289 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268} 1290}
1269 1291
1270sub load_header_from($) { 1292sub load_header_from($) {
1271 my ($self, $path) = @_; 1293 my ($self, $path) = @_;
1272 1294
… …
1280 $self->{load_path} = $path; 1302 $self->{load_path} = $path;
1281 1303
1282 1 1304 1
1283} 1305}
1284 1306
1285sub load_orig { 1307sub load_header_orig {
1286 my ($self) = @_; 1308 my ($self) = @_;
1287 1309
1288 $self->load_header_from ($self->load_path) 1310 $self->load_header_from ($self->load_path)
1289} 1311}
1290 1312
1291sub load_temp { 1313sub load_header_temp {
1292 my ($self) = @_; 1314 my ($self) = @_;
1293 1315
1294 $self->load_header_from ($self->save_path) 1316 $self->load_header_from ($self->save_path)
1317}
1318
1319sub prepare_temp {
1320 my ($self) = @_;
1321
1322 $self->last_access ((delete $self->{last_access})
1323 || $cf::RUNTIME); #d#
1324 # safety
1325 $self->{instantiate_time} = $cf::RUNTIME
1326 if $self->{instantiate_time} > $cf::RUNTIME;
1327}
1328
1329sub prepare_orig {
1330 my ($self) = @_;
1331
1332 $self->{load_original} = 1;
1333 $self->{instantiate_time} = $cf::RUNTIME;
1334 $self->last_access ($cf::RUNTIME);
1335 $self->instantiate;
1295} 1336}
1296 1337
1297sub load_header { 1338sub load_header {
1298 my ($self) = @_; 1339 my ($self) = @_;
1299 1340
1300 if ($self->load_temp) { 1341 if ($self->load_header_temp) {
1301 $self->last_access ((delete $self->{last_access}) 1342 $self->prepare_temp;
1302 || $cf::RUNTIME); #d#
1303 # safety
1304 $self->{instantiate_time} = $cf::RUNTIME
1305 if $self->{instantiate_time} > $cf::RUNTIME;
1306 } else { 1343 } else {
1307 $self->load_orig 1344 $self->load_header_orig
1308 or return; 1345 or return;
1309 1346 $self->prepare_orig;
1310 $self->{load_original} = 1;
1311 $self->{instantiate_time} = $cf::RUNTIME;
1312 $self->last_access ($cf::RUNTIME);
1313 $self->instantiate;
1314 } 1347 }
1315 1348
1316 1 1349 1
1317} 1350}
1318 1351
… …
1332 $map->{last_save} = $cf::RUNTIME; 1365 $map->{last_save} = $cf::RUNTIME;
1333 1366
1334 $map->load_header 1367 $map->load_header
1335 or return; 1368 or return;
1336 1369
1337 if ($map->should_reset) { 1370 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1371 # doing this can freeze the server in a sync job, obviously
1372 #$cf::WAIT_FOR_TICK->wait;
1338 $map->reset; 1373 $map->reset;
1339 undef $guard; 1374 undef $guard;
1340 $map = find $path 1375 return find $path;
1341 or return;
1342 } 1376 }
1343 1377
1344 $cf::MAP{$path} = $map 1378 $cf::MAP{$path} = $map
1345 } 1379 }
1346} 1380}
1381
1382sub pre_load { }
1383sub post_load { }
1347 1384
1348sub load { 1385sub load {
1349 my ($self) = @_; 1386 my ($self) = @_;
1350 1387
1388 local $self->{deny_reset} = 1; # loading can take a long time
1389
1351 my $path = $self->{path}; 1390 my $path = $self->{path};
1352 my $guard = cf::lock_acquire "map_load:$path"; 1391 my $guard = cf::lock_acquire "map_load:$path";
1353 1392
1354 return if $self->in_memory != cf::MAP_SWAPPED; 1393 return if $self->in_memory != cf::MAP_SWAPPED;
1355 1394
1356 $self->in_memory (cf::MAP_LOADING); 1395 $self->in_memory (cf::MAP_LOADING);
1357 1396
1358 $self->alloc; 1397 $self->alloc;
1398
1399 $self->pre_load;
1400
1359 $self->_load_objects ($self->{load_path}, 1) 1401 $self->_load_objects ($self->{load_path}, 1)
1360 or return; 1402 or return;
1361 1403
1362 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1404 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363 if delete $self->{load_original}; 1405 if delete $self->{load_original};
… …
1385 unless $self->difficulty; 1427 unless $self->difficulty;
1386 Coro::cede; 1428 Coro::cede;
1387 $self->activate; 1429 $self->activate;
1388 } 1430 }
1389 1431
1432 $self->post_load;
1433
1390 $self->in_memory (cf::MAP_IN_MEMORY); 1434 $self->in_memory (cf::MAP_IN_MEMORY);
1391} 1435}
1392 1436
1393sub customise_for { 1437sub customise_for {
1394 my ($self, $ob) = @_; 1438 my ($self, $ob) = @_;
… …
1434 1478
1435 cf::sync_job { $map->load }; 1479 cf::sync_job { $map->load };
1436} 1480}
1437 1481
1438our %MAP_PREFETCH; 1482our %MAP_PREFETCH;
1439our $MAP_PREFETCHER = Coro::async { 1483our $MAP_PREFETCHER = undef;
1440 while () {
1441 for my $path (keys %MAP_PREFETCH) {
1442 my $map = find $path
1443 or next;
1444 $map->load;
1445
1446 delete $MAP_PREFETCH{$path};
1447 }
1448 Coro::schedule;
1449 }
1450};
1451 1484
1452sub find_async { 1485sub find_async {
1453 my ($path, $origin) = @_; 1486 my ($path, $origin) = @_;
1454 1487
1455 $path = normalise $path, $origin && $origin->{path}; 1488 $path = normalise $path, $origin && $origin->{path};
1456 1489
1457 if (my $map = $cf::MAP{$path}) { 1490 if (my $map = $cf::MAP{$path}) {
1458 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1491 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1459 } 1492 }
1460 1493
1461 $MAP_PREFETCH{$path} = 0; 1494 undef $MAP_PREFETCH{$path};
1495 $MAP_PREFETCHER ||= cf::async {
1496 while (%MAP_PREFETCH) {
1497 for my $path (keys %MAP_PREFETCH) {
1498 my $map = find $path
1499 or next;
1500 $map->load;
1501
1502 delete $MAP_PREFETCH{$path};
1503 }
1504 }
1505 undef $MAP_PREFETCHER;
1506 };
1462 $MAP_PREFETCHER->ready; 1507 $MAP_PREFETCHER->prio (6);
1463 1508
1464 () 1509 ()
1465} 1510}
1466 1511
1467sub save { 1512sub save {
… …
1512 1557
1513sub reset_at { 1558sub reset_at {
1514 my ($self) = @_; 1559 my ($self) = @_;
1515 1560
1516 # TODO: safety, remove and allow resettable per-player maps 1561 # TODO: safety, remove and allow resettable per-player maps
1517 return 1e99 if $self->isa ("ext::map_per_player"); 1562 return 1e99 if $self->isa ("ext::map_per_player");#d#
1518 return 1e99 if $self->{deny_reset}; 1563 return 1e99 if $self->{deny_reset};
1519 1564
1520 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1565 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1566 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522 1567
… …
1527 my ($self) = @_; 1572 my ($self) = @_;
1528 1573
1529 $self->reset_at <= $cf::RUNTIME 1574 $self->reset_at <= $cf::RUNTIME
1530} 1575}
1531 1576
1532sub rename {
1533 my ($self, $new_path) = @_;
1534
1535 normalise $new_path;
1536
1537 $self->unlink_save;
1538
1539 delete $cf::MAP{$self->path};
1540 $self->{path} = $new_path; $self->path ($self->{path});
1541 $cf::MAP{$self->path} = $self;
1542
1543 $self->save;
1544}
1545
1546sub reset { 1577sub reset {
1547 my ($self) = @_; 1578 my ($self) = @_;
1548 1579
1549 my $lock = cf::lock_acquire "map_data:" . $self->path; 1580 my $lock = cf::lock_acquire "map_data:$self->{path}";
1550 1581
1551 return if $self->players; 1582 return if $self->players;
1552 return if $self->isa ("ext::map_per_player");#d# 1583 return if $self->isa ("ext::map_per_player");#d#
1553 1584
1554 warn "resetting map ", $self->path;#d# 1585 warn "resetting map ", $self->path;#d#
1555 1586
1556 delete $cf::MAP{$self->path}; 1587 delete $cf::MAP{$self->path};
1557 1588
1589 $self->in_memory (cf::MAP_SWAPPED);
1590 $self->clear;
1591
1558 $_->clear_links_to ($self) for values %cf::MAP; 1592 $_->clear_links_to ($self) for values %cf::MAP;
1559 1593
1560 $self->unlink_save; 1594 $self->unlink_save;
1561 $self->destroy; 1595 $self->destroy;
1562} 1596}
… …
1564my $nuke_counter = "aaaa"; 1598my $nuke_counter = "aaaa";
1565 1599
1566sub nuke { 1600sub nuke {
1567 my ($self) = @_; 1601 my ($self) = @_;
1568 1602
1603 delete $cf::MAP{$self->path};
1604
1605 $self->unlink_save;
1606
1607 bless $self, "cf::map";
1608 delete $self->{deny_reset};
1569 $self->{deny_save} = 1; 1609 $self->{deny_save} = 1;
1570 $self->reset_timeout (1); 1610 $self->reset_timeout (1);
1571 $self->rename ("{nuke}/" . ($nuke_counter++)); 1611 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612
1613 $cf::MAP{$self->path} = $self;
1614
1572 $self->reset; # polite request, might not happen 1615 $self->reset; # polite request, might not happen
1573} 1616}
1574 1617
1575=item cf::map::unique_maps 1618=item cf::map::unique_maps
1576 1619
… …
1588 for (@$files) { 1631 for (@$files) {
1589 utf8::decode $_; 1632 utf8::decode $_;
1590 next if /\.pst$/; 1633 next if /\.pst$/;
1591 next unless /^$PATH_SEP/o; 1634 next unless /^$PATH_SEP/o;
1592 1635
1593 push @paths, $_; 1636 push @paths, cf::map::normalise $_;
1594 } 1637 }
1595 1638
1596 \@paths 1639 \@paths
1597} 1640}
1598 1641
… …
1692=cut 1735=cut
1693 1736
1694sub link_map { 1737sub link_map {
1695 unless ($LINK_MAP) { 1738 unless ($LINK_MAP) {
1696 $LINK_MAP = cf::map::find "{link}" 1739 $LINK_MAP = cf::map::find "{link}"
1697 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 1740 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698 $LINK_MAP->load; 1741 $LINK_MAP->load;
1699 } 1742 }
1700 1743
1701 $LINK_MAP 1744 $LINK_MAP
1702} 1745}
… …
1709 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1752 return if UNIVERSAL::isa $self->map, "ext::map_link";
1710 1753
1711 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1754 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712 if $self->map; 1755 if $self->map;
1713 1756
1714 $self->enter_map ($LINK_MAP || link_map, 20, 20); 1757 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1715} 1758}
1716 1759
1717sub cf::object::player::leave_link { 1760sub cf::object::player::leave_link {
1718 my ($self, $map, $x, $y) = @_; 1761 my ($self, $map, $x, $y) = @_;
1719 1762
… …
1786 my ($self, $path, $x, $y) = @_; 1829 my ($self, $path, $x, $y) = @_;
1787 1830
1788 $self->enter_link; 1831 $self->enter_link;
1789 1832
1790 (async { 1833 (async {
1834 my $map = eval {
1791 my $map = cf::map::find $path; 1835 my $map = cf::map::find $path;
1792 $map = $map->customise_for ($self) if $map; 1836 $map = $map->customise_for ($self) if $map;
1793 1837 $map
1794# warn "entering ", $map->path, " at ($x, $y)\n" 1838 } or
1795# if $map;
1796
1797 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1839 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1798 1840
1799 $self->leave_link ($map, $x, $y); 1841 $self->leave_link ($map, $x, $y);
1800 })->prio (1); 1842 })->prio (1);
1801} 1843}
1802 1844
… …
1806 1848
1807sub parse_random_map_params { 1849sub parse_random_map_params {
1808 my ($spec) = @_; 1850 my ($spec) = @_;
1809 1851
1810 my $rmp = { # defaults 1852 my $rmp = { # defaults
1811 xsize => 10, 1853 xsize => (cf::rndm 15, 40),
1812 ysize => 10, 1854 ysize => (cf::rndm 15, 40),
1855 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1856 #layout => string,
1813 }; 1857 };
1814 1858
1815 for (split /\n/, $spec) { 1859 for (split /\n/, $spec) {
1816 my ($k, $v) = split /\s+/, $_, 2; 1860 my ($k, $v) = split /\s+/, $_, 2;
1817 1861
… …
1821 $rmp 1865 $rmp
1822} 1866}
1823 1867
1824sub prepare_random_map { 1868sub prepare_random_map {
1825 my ($exit) = @_; 1869 my ($exit) = @_;
1870
1871 my $guard = cf::lock_acquire "exit_prepare:$exit";
1826 1872
1827 # all this does is basically replace the /! path by 1873 # all this does is basically replace the /! path by
1828 # a new random map path (?random/...) with a seed 1874 # a new random map path (?random/...) with a seed
1829 # that depends on the exit object 1875 # that depends on the exit object
1830 1876
1831 my $rmp = parse_random_map_params $exit->msg; 1877 my $rmp = parse_random_map_params $exit->msg;
1832 1878
1833 if ($exit->map) { 1879 if ($exit->map) {
1834 $rmp->{region} = $exit->map->region_name; 1880 $rmp->{region} = $exit->region->name;
1835 $rmp->{origin_map} = $exit->map->path; 1881 $rmp->{origin_map} = $exit->map->path;
1836 $rmp->{origin_x} = $exit->x; 1882 $rmp->{origin_x} = $exit->x;
1837 $rmp->{origin_y} = $exit->y; 1883 $rmp->{origin_y} = $exit->y;
1838 } 1884 }
1839 1885
1840 $rmp->{random_seed} ||= $exit->random_seed; 1886 $rmp->{random_seed} ||= $exit->random_seed;
1841 1887
1842 my $data = cf::to_json $rmp; 1888 my $data = cf::to_json $rmp;
1843 my $md5 = Digest::MD5::md5_hex $data; 1889 my $md5 = Digest::MD5::md5_hex $data;
1890 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1844 1891
1845 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1892 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846 aio_write $fh, 0, (length $data), $data, 0; 1893 aio_write $fh, 0, (length $data), $data, 0;
1894 undef $fh;
1895 aio_rename "$meta~", $meta;
1847 1896
1848 $exit->slaying ("?random/$md5"); 1897 $exit->slaying ("?random/$md5");
1849 $exit->msg (undef); 1898 $exit->msg (undef);
1850 } 1899 }
1851} 1900}
1852 1901
1853sub cf::object::player::enter_exit { 1902sub cf::object::player::enter_exit {
1854 my ($self, $exit) = @_; 1903 my ($self, $exit) = @_;
1855 1904
1856 return unless $self->type == cf::PLAYER; 1905 return unless $self->type == cf::PLAYER;
1906
1907 if ($exit->slaying eq "/!") {
1908 #TODO: this should de-fi-ni-te-ly not be a sync-job
1909 cf::sync_job { prepare_random_map $exit };
1910 }
1911
1912 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913 my $hp = $exit->stats->hp;
1914 my $sp = $exit->stats->sp;
1857 1915
1858 $self->enter_link; 1916 $self->enter_link;
1859 1917
1860 (async { 1918 (async {
1861 $self->deactivate_recursive; # just to be sure 1919 $self->deactivate_recursive; # just to be sure
1862 unless (eval { 1920 unless (eval {
1863 prepare_random_map $exit 1921 $self->goto ($slaying, $hp, $sp);
1864 if $exit->slaying eq "/!";
1865
1866 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868 1922
1869 1; 1923 1;
1870 }) { 1924 }) {
1871 $self->message ("Something went wrong deep within the crossfire server. " 1925 $self->message ("Something went wrong deep within the crossfire server. "
1872 . "I'll try to bring you back to the map you were before. " 1926 . "I'll try to bring you back to the map you were before. "
… …
2161 sub db_sync() { 2215 sub db_sync() {
2162 db_save if $dirty; 2216 db_save if $dirty;
2163 undef $dirty; 2217 undef $dirty;
2164 } 2218 }
2165 2219
2166 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { 2220 my $idle = Event->idle (
2167 db_sync; 2221 reentrant => 0,
2222 min => 10,
2223 max => 20,
2224 repeat => 0,
2225 data => WF_AUTOCANCEL,
2226 cb => \&db_sync,
2168 }); 2227 );
2169 2228
2170 sub db_dirty() { 2229 sub db_dirty() {
2171 $dirty = 1; 2230 $dirty = 1;
2172 $idle->start; 2231 $idle->start;
2173 } 2232 }
… …
2221 2280
2222sub main { 2281sub main {
2223 # we must not ever block the main coroutine 2282 # we must not ever block the main coroutine
2224 local $Coro::idle = sub { 2283 local $Coro::idle = sub {
2225 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2284 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2285 (async {
2226 async { Event::one_event }; 2286 Event::one_event;
2287 })->prio (Coro::PRIO_MAX);
2227 }; 2288 };
2228 2289
2229 cfg_load; 2290 cfg_load;
2230 db_load; 2291 db_load;
2231 load_extensions; 2292 load_extensions;
2293
2294 $TICK_WATCHER->start;
2232 Event::loop; 2295 Event::loop;
2233} 2296}
2234 2297
2235############################################################################# 2298#############################################################################
2236# initialisation and cleanup 2299# initialisation and cleanup
2237 2300
2238# install some emergency cleanup handlers 2301# install some emergency cleanup handlers
2239BEGIN { 2302BEGIN {
2240 for my $signal (qw(INT HUP TERM)) { 2303 for my $signal (qw(INT HUP TERM)) {
2241 Event->signal ( 2304 Event->signal (
2305 reentrant => 0,
2242 data => WF_AUTOCANCEL, 2306 data => WF_AUTOCANCEL,
2243 signal => $signal, 2307 signal => $signal,
2308 prio => 0,
2244 cb => sub { 2309 cb => sub {
2245 cf::cleanup "SIG$signal"; 2310 cf::cleanup "SIG$signal";
2246 }, 2311 },
2247 ); 2312 );
2248 } 2313 }
2249} 2314}
… …
2254 warn "enter emergency perl save\n"; 2319 warn "enter emergency perl save\n";
2255 2320
2256 cf::sync_job { 2321 cf::sync_job {
2257 # use a peculiar iteration method to avoid tripping on perl 2322 # use a peculiar iteration method to avoid tripping on perl
2258 # refcount bugs in for. also avoids problems with players 2323 # refcount bugs in for. also avoids problems with players
2259 # and maps saved/Destroyed asynchronously. 2324 # and maps saved/destroyed asynchronously.
2260 warn "begin emergency player save\n"; 2325 warn "begin emergency player save\n";
2261 for my $login (keys %cf::PLAYER) { 2326 for my $login (keys %cf::PLAYER) {
2262 my $pl = $cf::PLAYER{$login} or next; 2327 my $pl = $cf::PLAYER{$login} or next;
2263 $pl->valid or next; 2328 $pl->valid or next;
2264 $pl->save; 2329 $pl->save;
… …
2278} 2343}
2279 2344
2280sub reload() { 2345sub reload() {
2281 # can/must only be called in main 2346 # can/must only be called in main
2282 if ($Coro::current != $Coro::main) { 2347 if ($Coro::current != $Coro::main) {
2283 warn "can only reload from main coroutine\n"; 2348 warn "can only reload from main coroutine";
2284 return; 2349 return;
2285 } 2350 }
2286 2351
2287 warn "reloading..."; 2352 warn "reloading...";
2288 2353
2289 warn "freezing server"; 2354 warn "cancelling server ticker";
2290 my $guard = freeze_mainloop; 2355 $TICK_WATCHER->cancel;
2356
2291 cf::emergency_save; 2357 cf::emergency_save;
2292
2293 warn "sync database to disk";
2294 cf::db_sync;
2295 IO::AIO::flush;
2296 2358
2297 eval { 2359 eval {
2298 # if anything goes wrong in here, we should simply crash as we already saved 2360 # if anything goes wrong in here, we should simply crash as we already saved
2299 2361
2362 warn "syncing database to disk";
2363 cf::db_sync;
2364
2300 warn "cancel all watchers"; 2365 warn "cancelling all WF_AUTOCANCEL watchers";
2301 for (Event::all_watchers) { 2366 for (Event::all_watchers) {
2302 $_->cancel if $_->data & WF_AUTOCANCEL; 2367 $_->cancel if $_->data & WF_AUTOCANCEL;
2303 } 2368 }
2304 2369
2370 warn "flushing outstanding aio requests";
2371 for (;;) {
2372 IO::AIO::flush;
2373 Coro::cede;
2374 last unless IO::AIO::nreqs;
2375 warn "iterate...";
2376 }
2377
2305 warn "cancel all extension coros"; 2378 warn "cancelling all extension coros";
2306 $_->cancel for values %EXT_CORO; 2379 $_->cancel for values %EXT_CORO;
2307 %EXT_CORO = (); 2380 %EXT_CORO = ();
2308 2381
2309 warn "remove commands"; 2382 warn "removing commands";
2310 %COMMAND = (); 2383 %COMMAND = ();
2311 2384
2312 warn "remove ext commands"; 2385 warn "removing ext commands";
2313 %EXTCMD = (); 2386 %EXTCMD = ();
2314 2387
2315 warn "unload/nuke all extensions"; 2388 warn "unloading/nuking all extensions";
2316 for my $pkg (@EXTS) { 2389 for my $pkg (@EXTS) {
2317 warn "... unloading $pkg"; 2390 warn "... unloading $pkg";
2318 2391
2319 if (my $cb = $pkg->can ("unload")) { 2392 if (my $cb = $pkg->can ("unload")) {
2320 eval { 2393 eval {
… …
2325 2398
2326 warn "... nuking $pkg"; 2399 warn "... nuking $pkg";
2327 Symbol::delete_package $pkg; 2400 Symbol::delete_package $pkg;
2328 } 2401 }
2329 2402
2330 warn "unload all perl modules loaded from $LIBDIR"; 2403 warn "unloading all perl modules loaded from $LIBDIR";
2331 while (my ($k, $v) = each %INC) { 2404 while (my ($k, $v) = each %INC) {
2332 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2405 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333 2406
2334 warn "removing <$k>"; 2407 warn "... unloading $k";
2335 delete $INC{$k}; 2408 delete $INC{$k};
2336 2409
2337 $k =~ s/\.pm$//; 2410 $k =~ s/\.pm$//;
2338 $k =~ s/\//::/g; 2411 $k =~ s/\//::/g;
2339 2412
… …
2342 } 2415 }
2343 2416
2344 Symbol::delete_package $k; 2417 Symbol::delete_package $k;
2345 } 2418 }
2346 2419
2347 warn "get rid of safe::, as good as possible"; 2420 warn "getting rid of safe::, as good as possible";
2348 Symbol::delete_package "safe::$_" 2421 Symbol::delete_package "safe::$_"
2349 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2422 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350 2423
2351 warn "unload cf.pm \"a bit\""; 2424 warn "unloading cf.pm \"a bit\"";
2352 delete $INC{"cf.pm"}; 2425 delete $INC{"cf.pm"};
2353 2426
2354 # don't, removes xs symbols, too, 2427 # don't, removes xs symbols, too,
2355 # and global variables created in xs 2428 # and global variables created in xs
2356 #Symbol::delete_package __PACKAGE__; 2429 #Symbol::delete_package __PACKAGE__;
2357 2430
2431 warn "unload completed, starting to reload now";
2432
2358 warn "reloading cf.pm"; 2433 warn "reloading cf.pm";
2359 require cf; 2434 require cf;
2360 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2435 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361 2436
2362 warn "load config and database again"; 2437 warn "loading config and database again";
2363 cf::cfg_load; 2438 cf::cfg_load;
2364 cf::db_load; 2439 cf::db_load;
2365 2440
2366 warn "load extensions"; 2441 warn "loading extensions";
2367 cf::load_extensions; 2442 cf::load_extensions;
2368 2443
2369 warn "reattach attachments to objects/players"; 2444 warn "reattaching attachments to objects/players";
2370 _global_reattach; 2445 _global_reattach;
2371 warn "reattach attachments to maps"; 2446 warn "reattaching attachments to maps";
2372 reattach $_ for values %MAP; 2447 reattach $_ for values %MAP;
2448
2449 warn "restarting server ticker";
2450
2451 $TICK_WATCHER->start;
2373 }; 2452 };
2374 2453
2375 if ($@) { 2454 if ($@) {
2376 warn $@; 2455 warn $@;
2377 warn "error while reloading, exiting."; 2456 warn "error while reloading, exiting.";
… …
2379 } 2458 }
2380 2459
2381 warn "reloaded"; 2460 warn "reloaded";
2382}; 2461};
2383 2462
2463our $RELOAD_WATCHER; # used only during reload
2464
2384register_command "reload" => sub { 2465register_command "reload" => sub {
2385 my ($who, $arg) = @_; 2466 my ($who, $arg) = @_;
2386 2467
2387 if ($who->flag (FLAG_WIZ)) { 2468 if ($who->flag (FLAG_WIZ)) {
2388 $who->message ("start of reload."); 2469 $who->message ("reloading server.");
2470
2471 # doing reload synchronously and two reloads happen back-to-back,
2472 # coro crashes during coro_state_free->destroy here.
2473
2474 $RELOAD_WATCHER ||= Event->timer (
2475 reentrant => 0,
2476 after => 0,
2477 data => WF_AUTOCANCEL,
2478 cb => sub {
2389 reload; 2479 reload;
2390 $who->message ("end of reload."); 2480 undef $RELOAD_WATCHER;
2481 },
2482 );
2391 } 2483 }
2392}; 2484};
2393 2485
2394unshift @INC, $LIBDIR; 2486unshift @INC, $LIBDIR;
2487
2488my $bug_warning = 0;
2395 2489
2396$TICK_WATCHER = Event->timer ( 2490$TICK_WATCHER = Event->timer (
2397 reentrant => 0, 2491 reentrant => 0,
2492 parked => 1,
2398 prio => 0, 2493 prio => 0,
2399 at => $NEXT_TICK || $TICK, 2494 at => $NEXT_TICK || $TICK,
2400 data => WF_AUTOCANCEL, 2495 data => WF_AUTOCANCEL,
2401 cb => sub { 2496 cb => sub {
2497 if ($Coro::current != $Coro::main) {
2498 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499 unless ++$bug_warning > 10;
2500 return;
2501 }
2502
2402 $NOW = Event::time; 2503 $NOW = Event::time;
2403 2504
2404 cf::server_tick; # one server iteration 2505 cf::server_tick; # one server iteration
2405 $RUNTIME += $TICK; 2506 $RUNTIME += $TICK;
2406 $NEXT_TICK += $TICK; 2507 $NEXT_TICK += $TICK;
2407 2508
2408 $WAIT_FOR_TICK->broadcast; 2509 $WAIT_FOR_TICK->broadcast;
2409 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2510 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2511
2512 Event::sweep;
2513 Coro::cede_notself;
2514
2515# my $AFTER = Event::time;
2516# warn $AFTER - $NOW;#d#
2410 2517
2411 # if we are delayed by four ticks or more, skip them all 2518 # if we are delayed by four ticks or more, skip them all
2412 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2519 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2413 2520
2414 $TICK_WATCHER->at ($NEXT_TICK); 2521 $TICK_WATCHER->at ($NEXT_TICK);
2415 $TICK_WATCHER->start; 2522 $TICK_WATCHER->start;
2416 }, 2523 },
2417); 2524);
2418 2525
2419IO::AIO::max_poll_time $TICK * 0.2; 2526IO::AIO::max_poll_time $TICK * 0.1;
2420 2527
2421Event->io ( 2528undef $Coro::AIO::WATCHER;
2529$AIO_POLL_WATCHER = Event->io (
2530 reentrant => 0,
2422 fd => IO::AIO::poll_fileno, 2531 fd => IO::AIO::poll_fileno,
2423 poll => 'r', 2532 poll => 'r',
2424 prio => 5, 2533 prio => 6,
2425 data => WF_AUTOCANCEL, 2534 data => WF_AUTOCANCEL,
2426 cb => \&IO::AIO::poll_cb, 2535 cb => \&IO::AIO::poll_cb,
2427); 2536);
2428 2537
2429Event->timer ( 2538$WRITE_RUNTIME_WATCHER = Event->timer (
2539 reentrant => 0,
2430 data => WF_AUTOCANCEL, 2540 data => WF_AUTOCANCEL,
2431 after => 0, 2541 after => 1,
2432 interval => 10, 2542 interval => 10,
2433 cb => sub { 2543 prio => 6, # keep it lowest so it acts like a watchdog
2434 (Coro::unblock_sub { 2544 cb => Coro::unblock_sub {
2435 write_runtime 2545 write_runtime
2436 or warn "ERROR: unable to write runtime file: $!"; 2546 or warn "ERROR: unable to write runtime file: $!";
2437 })->();
2438 }, 2547 },
2439); 2548);
2440 2549
2441END { cf::emergency_save } 2550END { cf::emergency_save }
2442 2551

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